Tool-heater.



N. W. LUNDY.

TOOL HEATER.

APPLICATION FILED 001.14.,1011.

1,030,257. Patented June 18, 1912.

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N. W. LUNDY.

TOOL HEATER.

APPLICATION FILED 00T.14,1911.

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TOOL-HEATER.

Specification of Letters Patent.

Patent-ed June 18, 1912.

Application filed October 14, 1911. Serial No. 654,785.

stoves and furnaces broadly, and more especially it is a heater for tools such as flat irons, curling, and particularly soldering irons, adapted for the combustion of a fuel such as gas.

The object of theinvention is to economize the use of fuel, which primarily is accomplished by directing the jets from the two burners toward each other so that such a tool as a soldering iron may be placed within the burners and will receive the heat from both, and means for adjusting these burners toward each other or farther apart is provided so that the heater will accommodate itself to tools of various sizes.

The following specification describes the preferred construction of my invention, reference being had to the accompanying drawings wherein Figure 1 is a general perspective view of this heater from what might be called its front end, showing the hood raised as when access to the interior is desired; Fig. 2 is i a plan view of this device with the hood and the cover therefor removed, one of the mixers and its valve being in section; Fig. 3 is a vertical longitudinal section through the base and the hood; Fig. t is a cross section through the center of the entire device with the cover in place, showing the engagement of said right-and-left shaft with the lugs or nuts beneath the burner.

In the drawings the numeral 1 designates a base, preferably rectangular in contour and supported on four feet 2, and 3 is a sheet metal pan beneath the base to prevent cold air from getting upward to the blaze. Transversely across both ends of the base are mounted tracks 4: which may be in the form of upright ribs fast thereon, and through the base between said tracks is journaled a right-and-left threaded shaft 5 having a handle 6 at one end as best seen in Fig. 3 of the drawings. At one end of the base is mounted a shelf 7 whose details of construction form no part of the present invention, but I prefer to employ it as it is useful for supporting the handle of a soldering iron or other tool which may be contained within the heater.

The numeral 8 designates the hood which is by preference of casting and tapered about as shown, and through the center of its top is a hole 9 having a corrugated or scalloped edge 10 so that if a dish or pan is set upon this hood the heat from the burners may pass out said scallops and warm not only the bottom but the sides of this dish or pan.

The numeral 11 designates the cover which will have a depending flange 12 adapted to fit within the hole in the hood, and when the covering is applied thereto it forms with the hood a flat top upon which articles may be heated as will be understood. What might be called the front end of the hood is open as will be seen so as to permit the insertion of a tool for heating. The opposite end of the hood has notches 14:, between which are fingers 15 that rest upon the base inside of lugs 16 rising from the rear end thereof to prevent the hood from slipping out of place.

The burners, of which there are two in the present instance, are of peculiar construction. Each comprises a tubular body 20 closed at its front end as at 21 and pierced at its inner side with a series of jet openings 22 which may be bored in the shape of holes asshown or sawed in the shape of slots, the openings in one burner being directed horizontally toward those in the other instead of upward through the top of the tube as is the ordinary construction. The other end of each tube has an ordinary form of air mixer 23, and into the center thereof is screwed one end of a valve or cock 24: whose other end is connected by a hose or other flexible tubing 25 with a supply pipe 26. Into the inner end of each valve or cock is removably inserted a jet plug 28, and each heater is furnished with a number of these plugs having various sizes of orifices so as to adapt it to various gases, natural or artificial.

Cast on or secured to each burner at aboutthe center of its length and depending therefrom is a lug or nut 30, the two nuts having through them threaded openings which engage the rightand-left threads on the shaft above referred to, and when said shaft is rotated in either direction by its handle the burners will be approximated or separated in a manner which will be clear. Cast within the ends of the base and projecting tolaid. Each burner is formed at its ends and upon its under side with notched lugs 33 adapted to slide upon the tracks of the base in a manner which will be clear, and the flexibility of the tubes 25 between the valves or cocks and the supply 26 permits the burners to be moved laterally toward or away from each other as desired.

In use the hood may be raised as seen in Fig. 1 to gain direct access to the blaze, but ordinarily it rests upon the base; and the tool, such as a soldering iron, to be heated is extended over the shelf and onto the grate. Ordinarily the workman will have two soldering irons, and one is being heated while the other is being used, and with heaters where there are two burners and two sets of jets it is obvious that while one iron is being heated by one set of jets the other set of jets is doing nothing. By my construction of jetsdirected toward each other, whenever an iron is inserted on the grate bet-ween them it receives the heat from ,both burners and therefore a less amount of gas is necessary;

and furthermore there is no burner which is not in constant use. If the character of the gas or its pressure require the burners may be set farther apart or nearer together so that the best results will be secured and Copies of this patent may be obtained for five cents each, by addressing the Washington, D. G. v

the greatest amount of heat attained as the user will soon discover.

The device may be used as a heating or cooking stove, with or without employing the cover, in a manner which will not be necessary to amplify in this specification. The details of construction are not essential, and alterations may be made which come within the broad idea.

What I claim as new is '1. A tool heater comprising a rectangular base having internal fingers projecting from its ends toward each other, a pair of burners resting on said base and having jet orifices in their adjacent faces, flexible connections between these burners and a source of fuel supply, intermeshing grate bars projecting from the burners toward each other and resting on said fingers, and means for moving said burners toward or away from each other.

2. A tool heater comprising a rectangular base having internal fingers projecting from its ends toward each other, a pair of burners resting on said base andhaving jet orifices in their adjacent faces, flexible connections between these burners and a source of fuel supply, intermeshing grate bars projecting from the burners toward each other and resting-on said fingers, a hood resting on said base over the burners and having one end open for the insertion of a tool and the other end provided with notches to permit the lateral movements of said burners, and means for adjusting the latter toward or away from each other.

In testimony whereof I my signature in presence of two witnesses. r

NATHAN W, LUNDY.

Witnessesz.

HAROLD E. MARTIN, GEORGE W: STRANG.

Commissioner 'of Patents, 

